Engine Drive Parts Flexible Coupling 3396951 3396955 For CAT Excavator

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Coupling Information:

1.Coupling performance: 1) Portability. The mobility of the coupling refers to the ability to compensate for the relative displacement of the two rotating components. Factors such as manufacturing and installation errors between the connected components, temperature changes during operation, and load deformation all impose requirements on removability. The movable performance compensates or relieves the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components. (2) Cushioning. For occasions where the load is often started or the working load changes, the coupling needs to have elastic elements that act as buffers and dampers to protect the prime mover and working machine from damage or damage. (3) It is safe, reliable, and has sufficient strength and service life. (4) Simple structure, convenient assembly, disassembly and maintenance.

2. How to choose a coupling ① The size and nature of the required transmission torque, the requirements for buffering and vibration reduction functions, and whether resonance may occur. ② The relative displacement of the two axis axes caused by manufacturing and assembly errors, shaft loading and thermal expansion deformation, and relative movement between components. ③ Permissible external dimensions and installation methods, necessary operating space for easy assembly, adjustment and maintenance. For large couplings, it should be possible to disassemble and assemble without the shaft moving axially. In addition, conditions such as working environment, service life, lubrication, sealing and economy should also be considered, and then a suitable coupling type should be selected with reference to the characteristics of various couplings.

Guangzhou XIEBAGN MACHINERY CO., LIMTED

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

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Your Trusted Excavator Parts Supplier – Manufacturer & One-Stop Sourcing Solution

Looking for a reliable supplier of excavator parts? Whether you need OEM services or a complete range of parts, we provide the best solutions for your business. As both a manufacturer and trading company, we combine factory-direct prices with the convenience of one-stop sourcing, ensuring that you get high-quality parts at competitive prices.

At YNF Machinery, we specialize in excavator rubber parts and a wide range of excavator components. Our extensive experience and commitment to quality make us a trusted partner for distributors, wholesalers, and repair shops worldwide.

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✅ Largest Excavator Rubber Parts Factory in Southern China

Our factory is the biggest excavator rubber parts manufacturer in southern China. This means:
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✔ Looking for distributors and agents worldwide—let’s grow together!
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Looking to develop your own brand or need custom parts? We’ve got you covered!
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Our Guangzhou office and showroom allow for easy business meetings and fast shipping.
✔ View and inspect products before ordering
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What Excavator Parts Do We Offer?

We cover all major excavator brands, including Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, Doosan, Hyundai, JCB, Kubota, and more. Our product range is designed to keep your machines running efficiently and reduce downtime.